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122100202020012 = 22353191981449717
BaseRepresentation
bin11011110000110010101011…
…001010110001110010101100
3121000022122222000101220111220
4123300302223022301302230
5112000442203204120022
61111404020342543340
734501306554620316
oct3360625312616254
9530278860356456
10122100202020012
11359a544a992787
121183ba06737b50
135318ccc2b4338
14222197772a7b6
15e1b18e47585c
hex6f0cab2b1cac

122100202020012 has 24 divisors (see below), whose sum is σ = 290275951973616. Its totient is φ = 39932141540928.

The previous prime is 122100202020011. The next prime is 122100202020047. The reversal of 122100202020012 is 210020202001221.

It is a super-3 number, since 3×1221002020200123 (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122100202019973 and 122100202020000.

It is not an unprimeable number, because it can be changed into a prime (122100202020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95990724223 + ... + 95990725494.

It is an arithmetic number, because the mean of its divisors is an integer number (12094831332234).

Almost surely, 2122100202020012 is an apocalyptic number.

122100202020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122100202020012 is an abundant number, since it is smaller than the sum of its proper divisors (168175749953604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122100202020012 is a wasteful number, since it uses less digits than its factorization.

122100202020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191981449777 (or 191981449775 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122100202020012 its reverse (210020202001221), we get a palindrome (332120404021233).

The spelling of 122100202020012 in words is "one hundred twenty-two trillion, one hundred billion, two hundred two million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 191981449717 383962899434 575944349151 767925798868 1151888698302 2303777396604 10175016835001 20350033670002 30525050505003 40700067340004 61050101010006 122100202020012